diff --git a/modules/purchase_trade/purchase.py b/modules/purchase_trade/purchase.py
index 4e6e74f..a78ac09 100755
--- a/modules/purchase_trade/purchase.py
+++ b/modules/purchase_trade/purchase.py
@@ -1344,7 +1344,7 @@ class Line(metaclass=PoolMeta):
                             cp = cp[0]
                             price = Decimal(cp.get_last_price())
                             logger.info("PRICE:%s",price)
-                            t.manual_price = t.payable_rule.compute_payable_quantity(grade) *  price / Decimal(100) - t.penalty_rules.compute_penalty(grade,self.quantity)
+                            t.manual_price = t.payable_rule.compute_payable_quantity(grade) *  price / Decimal(100) - t.penalty_rules.compute_penalty(grade)
                     Concentrate.save([t])
 
         if self.price_components: